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src/hotspot/share/ci/ciValueKlass.hpp

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*** 1,7 **** /* ! * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 37,86 **** // Specialized ciInstanceKlass for value types. class ciValueKlass : public ciInstanceKlass { CI_PACKAGE_ACCESS private: ! // Index fields of a value type, indeces range from 0 to the number of fields of the ! // value type - 1. ! // For each index constructed, _field_index_map records the field's index ! // in InstanceKlass::_fields (i.e., _field_index_map records the value returned by ! // fieldDescriptor::index() for each field). ! GrowableArray<int>* _field_index_map; protected: ! ciValueKlass(Klass* h_k) : ciInstanceKlass(h_k), _field_index_map(NULL) { assert(is_final(), "ValueKlass must be final"); }; const char* type_string() { return "ciValueKlass"; } - int compute_field_index_map(); - - ValueKlass* get_valueKlass() const { - return ValueKlass::cast(get_Klass()); - } public: bool is_valuetype() const { return true; } - bool flatten_array() const; - bool contains_oops() const; ! // Value type fields ! int field_count(); ! int field_size(); ! int flattened_field_count() { ! return nof_nonstatic_fields(); } ! int field_index_by_offset(int offset); ! int field_offset_by_index(int index); ! ciType* field_type_by_index(int index); int first_field_offset() const; int value_arg_slots(); - - // Can a value type instance of this type be returned as multiple - // returned values? - bool can_be_returned_as_fields() const { - return this != ciEnv::current()->___Value_klass() && get_valueKlass()->return_regs() != NULL; - } }; #endif // SHARE_VM_CI_CIVALUEKLASS_HPP --- 37,78 ---- // Specialized ciInstanceKlass for value types. class ciValueKlass : public ciInstanceKlass { CI_PACKAGE_ACCESS private: ! // Fields declared in the bytecode (without flattened value type fields) ! GrowableArray<ciField*>* _declared_nonstatic_fields; protected: ! ciValueKlass(Klass* h_k) : ciInstanceKlass(h_k), _declared_nonstatic_fields(NULL) { assert(is_final(), "ValueKlass must be final"); }; + int compute_nonstatic_fields(); const char* type_string() { return "ciValueKlass"; } public: bool is_valuetype() const { return true; } ! int nof_declared_nonstatic_fields() { ! if (_declared_nonstatic_fields == NULL) { ! compute_nonstatic_fields(); } ! return _declared_nonstatic_fields->length(); ! } ! ! // ith non-static declared field (presented by ascending address) ! ciField* declared_nonstatic_field_at(int i) { ! assert(_declared_nonstatic_fields != NULL, "should be initialized"); ! return _declared_nonstatic_fields->at(i); ! } ! ! // Value type fields int first_field_offset() const; + int field_index_by_offset(int offset); + bool flatten_array() const; + bool can_be_returned_as_fields() const; int value_arg_slots(); }; #endif // SHARE_VM_CI_CIVALUEKLASS_HPP
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